Arid land development and the combat against desertification : an integrated approach
1986
USSR commission for UNEP
Soil depletion and degradation control in the tropics
1982
Denisoff, I. A. |
Zonn, S. V. |
A survey of possible environmental impacts of a nuclear conflict on the earth's atmosphere and climate
1986
Kondratiev, K. Ya |
Nikolsky, G. A. |